—Who taught ______ English last year?—Nobody. She taught herself.A. him B. her C. you
David, get up early, _______ you'll not catch the early bus.
She has studied in this school she was seven years old.
The Great Wall is famous lots of visitors all over the world come to visit it every year.
__________ it’s very difficult, remember not to give up until the last minute.
You will never know the result ______ you try it by yourself.